Home / 1,029,539.62-1,543,395.75-389,395.54

Finding the Fourth Proportional to 1,029,539.62, 1,543,395.75 and 389,395.54

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Solution

The fourth proportional to 1,029,539.62, 1,543,395.75 and 389,395.54 is: 583,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,539.62 : 1,543,395.75 = 389,395.54 : x
  2. Step 2: Convert to fraction form
    1,029,539.62/1,543,395.75 = 389,395.54/x
  3. Step 3: Cross multiply
    1,029,539.62x = 1,543,395.75 × 389,395.54
  4. Step 4: Simplify right side
    1,029,539.62x = 600,991,421,504.96
  5. Step 5: Solve for x
    x = 600,991,421,504.96/1,029,539.62
  6. Step 6: Final answer
    x = 583,747.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.